Radeon HD 3650 vs Radeon HD 5770

Radeon HD 3650
Memory: 256Mb GDDR3DESKTOP
Release date: 20 Jan 2008
Radeon HD 3650
Radeon HD 5770
Memory: 1024Mb GDDR5DESKTOP
Release date: 13 Oct 2009
Radeon HD 5770

Summary

Reasons to consider Radeon HD 3650

43 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 5770 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 5770

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 5770

HWBench recommends Radeon HD 5770

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 3650Radeon HD 5770
GPU NameRV635 (RV635 PRO)vsJuniper (Juniper XT)
Fab Process55 nmvs40 nm
Die Size135 mm²vs166 mm²
Transistors378 millionvs1,040 million
Shaders120vs800
Compute Units3vs10
Core clock725 MHzvs850 MHz
ROPs4vs16
TMUs8vs40

Memory Configuration

Radeon HD 3650Radeon HD 5770
Memory TypeGDDR3vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed800 MHz
1600 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size256 Mbvs1024 Mb

Additional details

Radeon HD 3650Radeon HD 5770
TDP65 wattsvs108 watts
Release Date20 Jan 2008vs13 Oct 2009

Raw Performance comparison

Pixel Rate

  • Radeon HD 3650
    2.90 GP/s
  • Radeon HD 5770
    13.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 3650
    5.80 GT/s
  • Radeon HD 5770
    34.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 3650
    25.60 GB/s
  • Radeon HD 5770
    76.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 3650
    174.00 GFLOPs
  • Radeon HD 5770
    1360.00 GFLOPs

GFLOPs - higher is better